package com.dxy.yesas2020goals.study.partone.disignprinciple.dependenceinversionprinciple;

/**
 * @author victorydeng
 * @Classname Course
 * @Description 所有课程的抽象 有个学习的方法
 * @Date 2020/2/24 22:43
 * @Created by victorydeng
 */
public interface Course {

  void study();

}
